<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>DOM的创建</title>
</head>

<body>
  <!-- 创建test -->
  <div id="test">

  </div>
  <!-- 引入核心库 -->
  <script src="../js/react.development.js"></script>
  <!-- 引入react操作DOM支持库 -->
  <script src="../js/react-dom.development.js"></script>
  <!-- 引入babel 用于将jsx转为js -->
  <script src="../js/babel.min.js"></script>
  <script type="text/babel">  // 此处引入一定要写babel
    // 1. 创建虚拟DOM
    const VDom = <h1 id="title">
      <span>hello World</span>
    </h1> // 此处不用写引号,因为此处不是字符串
    // 2. 渲染虚拟DOM到页面
    ReactDOM.render(VDom, document.querySelector("#test"))
  </script>
</body>

</html>